Synonyms|7Antonyms|0|Broader|0Narrower|0Related|0
1
amplifier
0
ear trumpet(noun, expression)
0
electronic hearing aid(noun, expression, idiom)
0
hard-of-hearing aid(noun, expression)
0
hearing aid(noun, device)
0
listening device(noun, expression)
0
transistor hearing aid(noun, expression, idiom)
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APASmart Define. (2015). vacuum-tube hearing aid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/vacuum-tube_hearing_aid/thesaurus/synonyms
ChicagoSmart Define. 2015. "vacuum-tube hearing aid thesaurus" https://smartdefine.org/vacuum-tube_hearing_aid/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, vacuum-tube hearing aid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/vacuum-tube_hearing_aid/thesaurus/synonyms>.
MLASmart Define. "vacuum-tube hearing aid thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/vacuum-tube_hearing_aid/thesaurus/synonyms>